50
Manual Documentation Number: ZP9D-115RM-LR-0812
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 –
www.bb-elec.com
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 –
www.bb-europe.com
WN (Warning Data) Command
<Diagnostics> WN command is
used to report the following data
for all active and sticky
warnings:
• Warning number & description
• Number of occurrences since the last WN or WS command
• Whether the warning is currently active
Warnings, which are not currently active and have not been active since the last
issuance of the WN or WS commands, are not displayed. The WN command also
resets all non-zero warning counts; except for warnings that are presently active,
which are set to 1.
Sample output: Warning 4: Over-temperature
5 occurrences; presently inactive.
Warning #
Description
1
Under-voltage. This is caused if the supply voltage falls below the
minimum threshold for the lowest power level (2.8 V). If/when the
voltage rises above the threshold, the warning is deactivated. The
module will not transmit below this voltage threshold.
2
Over-voltage. This is caused if the supply voltage exceeds 5.75 V.
Transmission is not allowed while this warning is active.
3
Under-temperature. This is caused if the temperature sensed by the
module is less than -40 C. The module does not artificially limit
operation while this warning is active, but module functionality is not
guaranteed.
4
Over-temperature. This is caused if the temperature sensed by the
module is greater than 105 C. The module does not allow
transmission nor reception while this warning is active. The warning
is deactivated when the temperature falls to 100 C.
5
Power reduced. This is caused if the transmit power has to be
reduced from the level programmed by PL Command due to
insufficient supply voltage. The 1 W power level requires 4.75 V or
higher; 500 mW requires 3.0 V or higher; 100 mW, 10 mW and 1 mW
require 2.8 V or higher.
6
Default calibration data in flash. This is caused if the module-specific
power calibration data is either not present or is invalid, or if none of
the parameters have been modified from their default values. Power
levels may be incorrect.
7
Default configuration parameters in flash. This is caused if user-
modifiable parameters (i.e. those stored by a 'WR' command) in flash
are all the compiled-in default values. This is caused if the user
configuration is found to be not present or invalid at power-up and
there is no custom configuration, or if no user-modifiable parameters
have been modified from the compiled-in defaults. Modification of
one or more parameters without the subsequent WR to commit the
changes to flash will not deactivate this warning, since it reflects the
status of the parameters in flash. Note that this warning does not
reflect usage of the custom configuration defaults, only usage of the
compiled-in defaults.
8
Default factory configuration parameters in flash. This is caused if the
factory parameters in flash are all the default values. This is caused if
the factory configuration is found to be not present or invalid at
power-up, or if no factory parameters have been modified.
AT Command: ATWN
Parameter Range: returns string
